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WhathaveyoubeendoingIlastsawyou?A:whenB:beforeC:sinceD:after
题目详情
What have you been doing ____ I last saw you?
A:when B:before C:since D:after
A:when B:before C:since D:after
▼优质解答
答案和解析
C,自从我上次见到你以后,你一直在做什么?
since引导句子的构成是,主名一般用现在完成时,从句用过去时,
本句中前面是现在完成进行时,现在完成进行时表示动作从过去开始到现在有可能结束,也有可以继续进行下去.
其它含义不对,since后引导的是从句,
since引导句子的构成是,主名一般用现在完成时,从句用过去时,
本句中前面是现在完成进行时,现在完成进行时表示动作从过去开始到现在有可能结束,也有可以继续进行下去.
其它含义不对,since后引导的是从句,
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